1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright (C) 2008, 2012, 2015-2016 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include "Lookup.h"
#include "GetterSetter.h"
#include "StructureInlines.h"
#include <wtf/text/MakeString.h>
namespace JSC {
void reifyStaticAccessor(VM& vm, const HashTableValue& value, JSObject& thisObject, PropertyName propertyName)
{
JSGlobalObject* globalObject = thisObject.globalObject();
JSObject* getter = nullptr;
if (value.hasGetter()) {
if (value.attributes() & PropertyAttribute::Builtin)
getter = JSFunction::create(vm, globalObject, value.builtinAccessorGetterGenerator()(vm), globalObject);
else {
String getterName = tryMakeString("get "_s, String(*propertyName.publicName()));
if (!getterName)
return;
getter = JSFunction::create(vm, globalObject, 0, getterName, value.accessorGetter(), ImplementationVisibility::Public);
}
}
GetterSetter* accessor = GetterSetter::create(vm, globalObject, getter, nullptr);
thisObject.putDirectNonIndexAccessor(vm, propertyName, accessor, attributesForStructure(value.attributes()));
}
bool setUpStaticFunctionSlot(VM& vm, const ClassInfo* classInfo, const HashTableValue* entry, JSObject* thisObject, PropertyName propertyName, PropertySlot& slot)
{
ASSERT(thisObject->globalObject());
ASSERT(entry->attributes() & PropertyAttribute::BuiltinOrFunctionOrAccessorOrLazyProperty);
unsigned attributes;
bool isAccessor = entry->attributes() & PropertyAttribute::Accessor;
PropertyOffset offset = thisObject->getDirectOffset(vm, propertyName, attributes);
if (!isValidOffset(offset)) {
// If a property is ever deleted from an object with a static table, then we reify
// all static functions at that time - after this we shouldn't be re-adding anything.
if (thisObject->staticPropertiesReified())
return false;
reifyStaticProperty(vm, classInfo, propertyName, *entry, *thisObject);
offset = thisObject->getDirectOffset(vm, propertyName, attributes);
if (!isValidOffset(offset)) {
dataLog("Static hashtable initialiation for ", propertyName, " did not produce a property.\n");
RELEASE_ASSERT_NOT_REACHED();
}
}
if (isAccessor)
slot.setCacheableGetterSlot(thisObject, attributes, jsCast<GetterSetter*>(thisObject->getDirect(offset)), offset);
else
slot.setValue(thisObject, attributes, thisObject->getDirect(offset), offset);
return true;
}
} // namespace JSC
|
